Ultimate Survival Technologies has been providing reliable products for over 80 years. UST brands provide you with reliable, affordable, specialty gear for customers. UST maintains the highest standards for quality and service as well as leading the industry with innovations. This particular item is a flashlight which can be submerged in 3 meters of water for up to 4 hours. With 5 modes and 100 lumens of white light the "See Me Floating" Light is perfect for the bug out bag, boat, camper or RV.